CN109193889A - Wireless charging system - Google Patents
Wireless charging system Download PDFInfo
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- CN109193889A CN109193889A CN201811244787.0A CN201811244787A CN109193889A CN 109193889 A CN109193889 A CN 109193889A CN 201811244787 A CN201811244787 A CN 201811244787A CN 109193889 A CN109193889 A CN 109193889A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000007704 transition Effects 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 4
- 230000000644 propagated effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- H02J7/025—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
Abstract
Wireless charging system provided by the invention, including radio transition equipment and radio receiving equipment;Radio transition equipment includes power-supply device and wireless power source equipment;Power-supply device connects external ac power source, and after external ac power source is converted to DC power supply, supplies electric power to wireless power source equipment;After the DC power supply of power-supply device is converted to AC power source by wireless power source equipment, electric power is sent by transmission coil;Radio receiving equipment receives the AC power source that transmission coil is sent by receiving coil, charges to charging equipment.The wireless charging system, power-supply device converts alternating current to direct current, then wireless power source equipment is given by line transmission, after wireless power source equipment converts alternating current to direct current, electric power is sent by transmission coil again, DC power transmission is carried out by route, the loss that alternating current is propagated in the sky is reduced, reduces the loss of electric power.In addition the system increases charge power, realizes every empty remote charging.
Description
Technical field
The invention belongs to wireless charging technical fields, and in particular to wireless charging system.
Background technique
Wireless charging technology is derived from wireless power transmission technology, can be divided into low-power wireless charging and high-power wireless charging
Two ways.Low-power wireless charging is frequently with induction, such as to mobile phone charging Qi mode.High-power wireless charging is normal
Electricity consumption is transmitted its energy to by power supply unit (charger) using resonant mode (most of electric car charging uses this mode)
Device, the device charge to battery using the energy received.
Existing induction charging method, the alternating current of primary coil certain frequency, by electromagnetic induction in secondary
Certain electric current is generated in coil, so that energy is transferred to receiving end from transmission end.Presently the most common charging solution party
Case just uses electromagnetic induction.But existing wireless charging method, charging distance is close, and power consumption is big.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of wireless charging system, can reduce the electricity of wireless charging
Power loss.
A kind of wireless charging system, including radio transition equipment and radio receiving equipment;The radio transmitting is set
Standby includes power-supply device and wireless power source equipment;
The power-supply device is given for connecting external ac power source, and after external ac power source is converted to DC power supply
The wireless power source equipment supplies electric power;
The wireless power source equipment is for passing through transmission after the DC power supply of the power-supply device is converted to AC power source
Coil sends electric power;
The friendship that the radio receiving equipment is sent by the transmission coil that receiving coil receives the wireless power source equipment
Galvanic electricity source, and AC power source is converted into DC power supply, it charges to charging equipment.
Preferably, the power-supply device is independently of the wireless power source equipment, or is integrated in the wireless power source equipment.
Preferably, the power-supply device supports fast charge mode and/or normal charge mode;Power-supply device be also used to
The wireless power source equipment carries out wireless communication;
The power-supply device is sent to the wireless power source equipment for generating mode instruction;
The wireless power source equipment is for receiving and parsing through the mode instruction;When slave pattern instruction in judge the power supply
When equipment supports fast charge mode, it is fast charge mode that its charge mode, which is arranged,;Wireless power source equipment is used for when in fast
When under fast charge mode, generates charging voltage setting instruction and be sent to power-supply device;
The power-supply device is arranged according to charging voltage and instructs for receiving and parsing through the charging voltage setting instruction
In setting voltage to the wireless power source equipment supply relevant voltage electric power.
Preferably, when the wireless power source equipment is used to start to charge under fast charge mode, according to power-supply device
Maximum supply voltage generates charging voltage setting instruction, is sent to power-supply device;And receiving filling for radio receiving equipment
When electricity request, charging voltage setting instruction is generated according to charging voltage in charge request, is sent to power-supply device;
Charging voltage is greater than the maximum supply voltage of power-supply device and is less than the minimum of power-supply device in the charge request
Supply voltage.
Preferably, the wireless power source equipment is also used to read the device data of the power-supply device, according to the equipment
Data judge whether the power-supply device supports fast charge mode;
The device data includes device id, type and/or the model of power-supply device.
Preferably, the radio receiving equipment includes receiving coil, AC-DC conversion circuit, adjuster, interface, modulation
Device and processor;The processor is electrically connected with AC-DC conversion circuit, adjuster, interface and modulator respectively;The modulator
It is electrically connected with receiving coil;
The AC-DC conversion circuit will be for that will be converted to DC power supply by the received AC power source of the receiving coil;
The adjuster is used to adjust the DC power supply that AC-DC conversion circuit is converted to according to charging voltage, so that directly
The voltage in galvanic electricity source is identical as charging voltage;
The direct current power supply that the interface is used to adjust in adjuster is to charging equipment.
Preferably, the processor is used to detect the voltage for the AC power source that the wireless power source equipment is sent.
Preferably, the processor is used to read the power supply supply voltage of the charging equipment, and is supplied according to power supply
Voltage generates the charge request.
Preferably, the modulator is used to receive electric impulse signal or bit that the processor generates, and by the electricity
Pulse signal or bits switch are analog signal;
Described in the radio receiving equipment is also used to detect analog signal and processor that modulator generates
The voltage for the AC power source that wireless power source equipment is sent is sent to the charging equipment.
Preferably, the radio transition equipment is equipped with a plurality of wireless power circuit and supplies electric power;The radio reception
For selection, wherein a wireless power circuit charges to charging equipment to equipment.
As shown from the above technical solution, wireless charging system provided by the invention, power-supply device convert alternating current to directly
Galvanic electricity after then giving wireless power source equipment, wireless power source equipment to convert alternating current to direct current by line transmission, then passes through
Transmission coil sends electric power, carries out DC power transmission by route, reduces the loss that alternating current is propagated in the sky, reduce electricity
The loss of power.In addition the system increases charge power, realizes every empty remote charging.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the module frame chart for the wireless charging system that embodiment one provides.
Fig. 2 is the module frame chart for the radio receiving equipment that embodiment two provides.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.It should be noted that unless otherwise indicated, technical term or scientific term used in this application are should be belonging to the present invention
The ordinary meaning that field technical staff is understood.
Embodiment one:
A kind of wireless charging system, referring to Fig. 1, including radio transition equipment 0030 and radio receiving equipment 0040;
The radio transition equipment 0030 includes power-supply device 0010 and wireless power source equipment 0020;
External ac power source is converted to DC power supply for connecting external ac power source by the power-supply device 0010
Afterwards, electric power is supplied to the wireless power source equipment;
Specifically, power-supply device 0010 is for providing DC electric power.Power-supply device 0010 in the present embodiment can be to filling
The equipment that wireless power source equipment 0020 in electricity supplies electric power;It can also be by the way that AC power (AC) be converted to direct current power
(DC) equipment of electric power is supplied;It can also be the equipment to electric power is supplied with the wireless power source equipment 0020 of its physical connection.
The wireless power source equipment 0020 is for passing through after the DC power supply of the power-supply device is converted to AC power source
Transmission coil sends electric power;Wherein, the power-supply device is independently of the wireless power source equipment, or is integrated in the wireless power source
In equipment.
Specifically, wireless power source equipment is wireless power supply power supply, i.e. PTU power supply.Power-supply device 0010 and wireless power source
Equipment 0020 can be realized in independent equipment, such as power-supply device 0010 can be charger, or can integrate one
It rises and forms equipment 0030, the configuration of power-supply device 0010 is included in wireless power source equipment 0020 by equipment 0030.
The radio receiving equipment 0040 is sent by the transmission coil that receiving coil receives the wireless power source equipment
AC power source, and AC power source is converted into DC power supply, charged to charging equipment.
Specifically, radio receiving equipment is radio reception power supply, and executes charging to charging equipment.
The wireless charging system, power-supply device convert alternating current to direct current, then by line transmission to radio
Source device after wireless power source equipment converts alternating current to direct current, then by transmission coil transmission electric power, is carried out by route
DC power transmission reduces the loss that alternating current is propagated in the sky, reduces the loss of electric power.In addition the system increases charging
Power is realized every empty remote charging.
Embodiment two:
Embodiment two on the basis of example 1, increases the following contents:
The power-supply device supports fast charge mode and/or normal charge mode;Power-supply device is also used to and the nothing
Line power-supply device carries out wireless communication;
Specifically, fast charge mode is the charge mode based on high voltage, and normal charge mode is based on reference voltage
Charge mode.Power-supply device 0010 can connect to external power supply (such as AC power supplies), can also convert and supply from external power supply
Electric power, and wireless power source equipment 0020 connected to it is provided it to by interface.The interface is used for and external electrical
Equipment (such as wireless power source equipment 0020) connection supplies electric power to external electronic device.
The power-supply device is sent to the wireless power source equipment for generating mode instruction;
The wireless power source equipment is for receiving and parsing through the mode instruction;When slave pattern instruction in judge the power supply
When equipment supports fast charge mode, it is fast charge mode that its charge mode, which is arranged,;Wireless power source equipment is used for when in fast
When under fast charge mode, generates charging voltage setting instruction and be sent to power-supply device;
Specifically, power-supply device 0010 can send the mode instruction for including whether to support fast charge mode, such as from D
The signal that+line and D- line are read.The instruction of 0020 reception pattern of wireless power source equipment, determines power-supply device 0010 connected to it
It whether is the power-supply device for supporting quick charge.
The power-supply device is arranged according to charging voltage and instructs for receiving and parsing through the charging voltage setting instruction
In setting voltage to the wireless power source equipment supply relevant voltage electric power.
Specifically, if power-supply device supports quick charge, power-supply device 0010 can be supplied to wireless power source equipment 0020
It answers first voltage (reference voltage of such as 5V), or can supply should be higher than that the second electricity of first voltage to wireless power source equipment 0020
It presses (high voltage of such as 10V).I.e. when supporting quick charge, power-supply device 0010 can asking according to wireless power source equipment 0020
Ask the corresponding electric power (such as first voltage or second voltage) of output.
Wherein, wireless power source equipment 0020 controls the supply voltage of power-supply device, so that power-supply device 0010 supplies
Answer first voltage or second voltage.For example, when wireless power source equipment 0020 has detected that power-supply device 0010 connects, radio
Source device 0020 can control power-supply device 0010 and export first voltage, can then respond wireless power receiving device 0040
Request, control power-supply device 0010 export second voltage.
Preferably, when the wireless power source equipment is used to start to charge under fast charge mode, according to power-supply device
Maximum supply voltage generates charging voltage setting instruction, is sent to power-supply device;And receiving filling for radio receiving equipment
When electricity request, charging voltage setting instruction is generated according to charging voltage in charge request, is sent to power-supply device;
Charging voltage is greater than the maximum supply voltage of power-supply device and is less than the minimum of power-supply device in the charge request
It supplies voltage (such as first voltage).
Specifically, wireless power source equipment 0020 can control power-supply device 0010 and pass through gradually from maximum voltage drop low-voltage
Mode supply electric power.For example, wireless power source is set when wireless power source equipment 0020 has detected that power-supply device 0010 connects
Standby 0020, which can control power-supply device 0010, exports second voltage, the i.e. maximum supply voltage of power-supply device, then responds to wireless
The request of power receiving apparatus 0040, the control output of power-supply device 0010 are lower than the tertiary voltage (such as 7V voltage) of second voltage,
Supply voltage is gradually decreased by this method.Using the quick charge mode of high voltage, charge power is increased, is realized every empty long distance
From charging.The system has the normal charge mode of normal power and powerful fast charge mode, user can be according to tool
The selection of body situation uses, using flexible.
System provided by the embodiment of the present invention, to briefly describe, embodiment part does not refer to place, can refer to aforementioned system
Corresponding contents in embodiment of uniting.
Embodiment three:
Embodiment three increases the following contents on the basis of other embodiments:
The wireless power source equipment is also used to read the device data of the power-supply device, is judged according to the device data
Whether the power-supply device supports fast charge mode;
The device data includes device id, type and/or the model of power-supply device.
Specifically, whether wireless power source equipment 0020 can support quick charge based on power-supply device 0010, it is arranged and fills
Power mode is fast charge mode or normal charge mode.Wireless power source equipment 0020 can be from 0010 receiving device of power-supply device
The information such as ID, type or model.Whether wireless power source equipment 0020 can determine power-supply device 0010 based on received information
Support fast charge mode.
Wireless power source equipment 0020, which is worked as, to be received for the fast of external electronic device (such as wireless power receiving device 0040)
When fast charge request, wireless power source equipment 0020 can set fast charge mode for the charge mode of power-supply device 0010.
For example, wireless power source equipment 0020 can send the letter for the charging voltage requested comprising external electronic device to power-supply device 0010
Number, and signal identical with transmitted signal is received from power-supply device 0010 again, as confirmation message, wireless power source equipment
0020 can determine that power-supply device 500 supports the supply of fast charge mode and power-supply device 0010 electricity by confirmation message
Pressure.
Wireless power source equipment 0020 can control power-supply device 0010 and supply corresponding electric power.Such as wireless power source equipment
0020 can request the output voltage of the nominal charging voltage higher than wireless power receiving device 0040 from power-supply device 0010.Nothing
Line power-supply device 0020 can also determine whether output voltage is supplied from power-supply device 0010.
System provided by the embodiment of the present invention, to briefly describe, embodiment part does not refer to place, can refer to aforementioned system
Corresponding contents in embodiment of uniting.
Example IV:
Example IV increases the following contents on the basis of other embodiments:
Referring to fig. 2, the radio receiving equipment includes receiving coil 0041, AC-DC conversion circuit 0042, adjuster
0043, interface 0044, modulator 0046 and processor 0045;The processor 0045 respectively with AC-DC conversion circuit 0042, adjust
Device 0043, interface 0044 and modulator 0046 is saved to be electrically connected;The modulator 0046 is electrically connected with receiving coil 0042;
The AC-DC conversion circuit 0042 by the received AC power source of the receiving coil 0041 for that will be converted to directly
Galvanic electricity source;
The adjuster is used to adjust the DC power supply that AC-DC conversion circuit is converted to according to charging voltage, so that directly
The voltage in galvanic electricity source is identical as charging voltage;
The direct current power supply that the interface is used to adjust in adjuster is to charging equipment 0050.
Specifically, wireless power receiving device 0040 may include a part (such as nothing of charging module 475 of equipment 0046
Line power receiver circuit 475R) or it is whole.The DC power supply that wireless power receiving device 0040 can use generation is internal unit
(such as battery) or external equipment (such as another electronic equipment) charging.Internal unit and external equipment are referred to as charging equipment herein.
Wireless power source equipment 0020 and wireless power receiving device 0040 can be communicated by transmission coil and receiving coil.
Specifically, processor 0045 can control each module of wireless power receiving device 0040, and determine wait fill
The state of electric equipment 0050.Processor 0045 can receive circuit 475R with wireless power and be functionally connected, and can also be based on
Wireless power receives circuit 475R detection external electronic device (such as wireless power source equipment 0020).Processor 0045 can determine from
The electric power of external electronic device supply, and the charging supplied to wireless power receiving device 0040 can be determined based on the electric power
Electric power.Processor 0045 can determine that wireless power receiving device 0040 is to support the first charging power or support the second charging
Electric power.When wireless power receiving device 0040 supports the first charging power or the second charging power, processor 0045 can be asked
External electronic device is asked to supply corresponding electric power.
Receiving coil, i.e. the second coil 0041 is received for being responsible for from the transmission coil of wireless power source equipment 0020 in Fig. 2
Electric power.
AC power rectifier on receiving coil can be DC electric power by AC-DC conversion circuit 0042.For example, AC-DC is converted
Circuit 0042 includes the electronic circuit apparatus or device of AC power acquisition DC electric power, also has and only transmits electric current in one direction
Function.
Adjuster 0043 may be used as switching, and D/C voltage can also be changed or is switched to suitable for charging equipment 0050
(such as battery) requested voltage.Such as the voltage instruction that charging equipment 0050 uses can be generated in adjuster 0043.To
Charging equipment 0050 may only need that charging voltage is arranged, for example, the voltage in 2.8V into 4.2V range.The nothing of the present embodiment
Line electricity receiving device, regardless of wireless power source equipment has supplied the voltage of what specification, adjuster 0043 can be defeated by switching
Identified voltage out.
Interface 0044 can be connected to the coupling part of equipment 0050, or including power line and data line.Interface
0040 can connect with charging equipment 0050, can also be by the power transmission supplied by adjuster 0043 to charging equipment
0050。
Charging equipment 0050 can receive power charge by wireless power receiving device 0040, can also be to radio
0040 feeding back charging status of power receiving device.
Wireless power receiving device 0040 or wireless power receive circuit 475R may include wireless communication module (e.g.,
BLE, ZigBee, NFC, antenna etc.), for exchanging wireless power letter with external electronic device (such as wireless power source equipment 0020)
The connection of breath or detection external electronic device.
System provided by the embodiment of the present invention, to briefly describe, embodiment part does not refer to place, can refer to aforementioned system
Corresponding contents in embodiment of uniting.
Embodiment five:
Embodiment five increases the following contents on the basis of other embodiments:
The processor is used to detect the voltage for the AC power source that the wireless power source equipment is sent.
Preferably, the processor is used to read the power supply supply voltage of the charging equipment, and is supplied according to power supply
Voltage generates the charge request.
Preferably, the modulator is used to receive electric impulse signal or bit that the processor generates, and by the electricity
Pulse signal or bits switch are analog signal;
Described in the radio receiving equipment is also used to detect analog signal and processor that modulator generates
The voltage for the AC power source that wireless power source equipment is sent is sent to the charging equipment.
Specifically, signal can be generated in modulator 0046, which is used to transport through processor to receiving coil 0041
The state etc. of 0045 charging equipment 0050 obtained.Modulator 0046 is equipment, which receives generates from processor 0045
Electric impulse signal or bit, and be analog signal by the signal or bits switch.Wireless power receiving device 0040 in this way
Based on the information generated from modulator 0046, information (e.g., wireless power information) associated with electric power is sent to external electrical
Sub- equipment.
Preferably, the radio transition equipment is equipped with a plurality of wireless power circuit and supplies electric power;The radio reception
For selection, wherein a wireless power circuit charges to charging equipment to equipment.
Specifically, it receives to 0040 property of can choose of wireless power receiving device from the more of the offer of wireless power source equipment 0020
At least one charging power in a charging power.Filling at least one selection can be used in wireless power receiving device 0040
Electric power charges to charging equipment.
Wireless power receiving device 0040 can receive the first charging power provided from wireless power source equipment 0020, and base
Charging is executed in the first charging power.Wireless power receiving device 0040 can also be by logical with wireless power source equipment 0020
Letter, requests the second charging power to wireless power source equipment 0020.
Wireless power receiving device 0040 can be used requested second charging power and execute charging, wherein second fills
Electric power is received from wireless power source equipment 0020.When the electric power corresponding to the second charging power is supplied, wireless power
Receiving device 0040 can be used the electric power (such as the second charging power) supplied from wireless power source equipment 0020 and execute quick charge.
When the electric power corresponding to requested second charging power is not supplied, wireless power receiving device 0040 be can be used from nothing
Electric power (such as the first charging power) execution that line power-supply device 0020 is supplied charges normal.
Wireless power receiving device 0040 may include PMIC and charger IC.For example, PMIC can be installed in it is integrated
On circuit or SoC semiconductor.PMIC also may include charger IC.Charger IC may include filling for wireless charging scheme
Electric appliance IC.Such as wireless charging may include electromagentic resonance charging, magnetic strength inductive charging and electromagnetic wave charging etc., can also add use
In adjunct circuit of wireless charging, such as wire loop, resonance circuit, rectifier etc..
Wireless power receiving device 0040 can control from wireless power source equipment 0020 supply electric power or from battery it is defeated
The electric power for entering or being exported to battery.
System provided by the embodiment of the present invention, to briefly describe, embodiment part does not refer to place, can refer to aforementioned system
Corresponding contents in embodiment of uniting.
Embodiment six:
Embodiment six increases the following contents on the basis of other embodiments:
The present embodiment provides a kind of electronic equipment.
The electronic equipment includes wireless power circuit, and is functionally connected to one of the wireless power circuit or more
A processor, wherein the one or more processors are configured to execute following steps:
S1: supported charging power is determined;
S2: to external electronic equipment requests charging power;
S3: determine whether external electronic device supports the charging power;
S4: when external electronic device supports the charging power, the charging power is received from external electronic device and is held
Row charging;
S5: when external electronic device does not support the charging power, another charging power is received based on other charging powers
And execute charging.
The processor of the electronic equipment is also configured to execute following steps:
S11: supply voltage of the detection from external electronic device;
S12: determine the supply voltage provided from external electronic device whether among specified range;
S13: when the supply voltage is among specified range, charging is executed based on the supply voltage;
S14: when supply voltage is when except specified range, based on another voltage execution provided from external electronic device
Charging.
System provided by the embodiment of the present invention, to briefly describe, embodiment part does not refer to place, can refer to aforementioned system
Corresponding contents in embodiment of uniting.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of wireless charging system, which is characterized in that including radio transition equipment and radio receiving equipment;It is described wireless
Electricity transmitting equipment includes power-supply device and wireless power source equipment;
The power-supply device is for connecting external ac power source, and after external ac power source is converted to DC power supply, to described
Wireless power source equipment supplies electric power;
The wireless power source equipment is for passing through transmission coil after the DC power supply of the power-supply device is converted to AC power source
Send electric power;
The alternating current that the radio receiving equipment is sent by the transmission coil that receiving coil receives the wireless power source equipment
Source, and AC power source is converted into DC power supply, it charges to charging equipment.
2. wireless charging system according to claim 1, which is characterized in that
The power-supply device is independently of the wireless power source equipment, or is integrated in the wireless power source equipment.
3. wireless charging system according to claim 1, which is characterized in that
The power-supply device supports fast charge mode and/or normal charge mode;Power-supply device is also used to and the radio
Source device carries out wireless communication;
The power-supply device is sent to the wireless power source equipment for generating mode instruction;
The wireless power source equipment is for receiving and parsing through the mode instruction;When slave pattern instruction in judge the power-supply device
When supporting fast charge mode, it is fast charge mode that its charge mode, which is arranged,;Wireless power source equipment, which is used to work as to be in, quickly fills
When under power mode, generates charging voltage setting instruction and be sent to power-supply device;
The power-supply device is arranged in instruction for receiving and parsing through the charging voltage setting instruction according to charging voltage
Set electric power of the voltage to wireless power source equipment supply relevant voltage.
4. wireless charging system according to claim 3, which is characterized in that
The wireless power source equipment is for when starting to charge under fast charge mode, maximum according to power-supply device to supply voltage
Charging voltage setting instruction is generated, power-supply device is sent to;And in the charge request for receiving radio receiving equipment, according to
Charging voltage generates charging voltage setting instruction in charge request, is sent to power-supply device;
Charging voltage is greater than the maximum supply voltage of power-supply device and is less than the minimum supply of power-supply device in the charge request
Voltage.
5. wireless charging system according to claim 3, which is characterized in that
The wireless power source equipment is also used to read the device data of the power-supply device, judges the electricity according to the device data
Whether source device supports fast charge mode;
The device data includes device id, type and/or the model of power-supply device.
6. wireless charging system according to claim 4, which is characterized in that
The radio receiving equipment includes receiving coil, AC-DC conversion circuit, adjuster, interface, modulator and processor;
The processor is electrically connected with AC-DC conversion circuit, adjuster, interface and modulator respectively;The modulator and receiving coil
Electrical connection;
The AC-DC conversion circuit will be for that will be converted to DC power supply by the received AC power source of the receiving coil;
The adjuster is used to adjust the DC power supply that AC-DC conversion circuit is converted to according to charging voltage, so that direct current
The voltage in source is identical as charging voltage;
The direct current power supply that the interface is used to adjust in adjuster is to charging equipment.
7. wireless charging system according to claim 6, which is characterized in that
The processor is used to detect the voltage for the AC power source that the wireless power source equipment is sent.
8. wireless charging system according to claim 7, which is characterized in that
The processor is used to read the power supply supply voltage of the charging equipment, and according to power supply supply voltage generation
Charge request.
9. wireless charging system according to claim 7, which is characterized in that
The modulator is used to receive electric impulse signal or bit that the processor generates, and by the electric impulse signal or ratio
Spy is converted to analog signal;
The radio receiving equipment is also used to detect analog signal and processor that modulator generates described wireless
The voltage for the AC power source that power-supply device is sent is sent to the charging equipment.
10. wireless charging system according to claim 1, which is characterized in that
The radio transition equipment is equipped with a plurality of wireless power circuit and supplies electric power;The radio receiving equipment is for selecting
Wherein a wireless power circuit charges to charging equipment.
Priority Applications (1)
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CN201811244787.0A CN109193889A (en) | 2018-10-24 | 2018-10-24 | Wireless charging system |
Applications Claiming Priority (1)
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CN201811244787.0A CN109193889A (en) | 2018-10-24 | 2018-10-24 | Wireless charging system |
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CN201811244787.0A Pending CN109193889A (en) | 2018-10-24 | 2018-10-24 | Wireless charging system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2021012951A1 (en) * | 2019-07-19 | 2021-01-28 | Oppo广东移动通信有限公司 | Wireless charging apparatus, method and system |
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